Measuring and Computing Database Inconsistency via Repairs

24 Apr 2018  ·  Leopoldo Bertossi ·

We propose a generic numerical measure of inconsistency of a database with respect to a set of integrity constraints. It is based on an abstract repair semantics. A particular inconsistency measure associated to cardinality-repairs is investigated; and we show that it can be computed via answer-set programs. Keywords: Integrity constraints in databases, inconsistent databases, database repairs, inconsistency measure.

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